For the network mode, 2 to 32 time slots per frame may be selected. During each frame, 0to 32 data words of I/O may be received or transmitted. In either case, the transfers areperiodic. The frame sync signal indicates the first time slot in the frame. Network mode istypically used in time division multiplexed (TDM) networks of codecs, DSPs withmultiple words per frame, or multi-channel devices.